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Can I Add AAV To Soil Stack,Instead Of Venting Through Roof?

Discussion in 'Plumbing and Central Heating' started by holdyerplums, 3 Jan 2010.

  1. holdyerplums

    holdyerplums

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    The pictures below show the view of the gable end wall from inside my loft. Its a bungalow.

    At present, the soil stack vent enters the loft through the loft floor, crosses the loft in front of a breeze block wall where I want to mount a new boiler, and exits through the roof to the outside.

    The pipe is blocking the wall where I want to mount a new boiler. Can I cut the vent pipe just above where it comes through the loft floor and add an air admittance valve intead (as in 2nd picture)?

     
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  3. kevplumb

    kevplumb

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    not if its the only vent

    why not take it straight up :idea:
     
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  4. holdyerplums

    holdyerplums

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    I suppose I could do. Thought it would be less hassle than messing about with lead slates. Never fitted one before. Are they reasonably easy (I have done lots of other DIY)?

    Would I be able to re-use the original lead slate, or buy new one?
     
  5. kevplumb

    kevplumb

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    either

    you might find the old one hard to work though

    push the boat out fella

    cost will be about the same ;)
     
  6. wetshoes

    wetshoes

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    I seem to remember "1 open vent per 6 houses minimum" so it might be worth a call to building control to check.
     
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  7. Nige F

    Nige F

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    Your Plumber/ Registered Gas Engineer Should be able to do both jobs for you . and comply with all regs. :idea:
     
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